оптическийopticus [a, um];
весpondus [e]ris, n;
хитростьargutiae [arum, fpl];
rubens; rubellus [a, um]; subruber, bra, um; subrufus [a, um]; subrubicundus [a, um]; russeus [a, um]; russeolus [a, um]; subrutilus [a, um]; fulvus [a, um]; fulvaster, tra, um;